diff --git a/apis/main/get_tips.py b/apis/main/get_tips.py
index 47abea8..dc4c1dc 100644
--- a/apis/main/get_tips.py
+++ b/apis/main/get_tips.py
@@ -2,17 +2,23 @@ import secrets
 from defs import app
 from models.services.tip import TipAction
 
-from typing import Dict, Optional
+from typing import Dict, Optional, List
 
 system_random = secrets.SystemRandom()
 
 
-async def get_random_tips() -> Optional[Dict]:
+async def get_random_tips() -> List[Optional[Dict]]:
     tips = await TipAction.get_tips()
     if not tips:
         return None
-    num = system_random.randint(0, len(tips) - 1)
-    return tips[num].dict_tip()
+    if len(tips) < 4:
+        return [tip.dict_tip() for tip in tips]
+    data = []
+    while len(data) < 4:
+        num = system_random.randint(0, len(tips) - 1)
+        if tips[num] not in data:
+            data.append(tips[num])
+    return [tip.dict_tip() for tip in data]
 
 
 @app.get("/get_tips")
diff --git a/defs.py b/defs.py
index 035bacc..96cbe9e 100644
--- a/defs.py
+++ b/defs.py
@@ -2,6 +2,7 @@ import asyncio
 
 from fastapi import FastAPI
 from starlette.middleware.trustedhost import TrustedHostMiddleware
+from fastapi.middleware.cors import CORSMiddleware
 
 from models.sqlite import Sqlite
 
@@ -10,6 +11,9 @@ app = FastAPI()
 app.add_middleware(
     TrustedHostMiddleware, allowed_hosts=["127.0.0.1"]
 )
+app.add_middleware(
+    CORSMiddleware, allow_origins=["*"], allow_credentials=True, allow_methods=["*"], allow_headers=["*"]
+)
 sqlite = Sqlite()
 need_auth_routes = []
 need_auth_uid_only_routes = []